Acer Altos R701 Altos R700 Chassis Subassembly - Page 78

Current Usage, Calculating Power Usage, Worksheet

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70 Appendix A: Equipment Log and Worksheets Current Usage Calculating Power Usage The total combined power consumption for your configuration must be less than 500W, with any combination of loads not to exceed maximum current on any one channel as defined in Power Usage Worksheet 1. The combined power consumption on 5 V and 3.3 V should not be more then 150W. Use the two worksheets in this section to calculate the total used by your configuration. For current and voltage requirements of add-in boards and peripherals, see your vendor documents. Worksheet, Calculating DC Power Usage 1 List the current for each board and device in the appropriate voltage level column. 2 Add the current in each column, then go to the next worksheet.

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Appendix A: Equipment Log and Worksheets
70
Current Usage
Calculating Power Usage
The total combined power consumption for your configuration must
be less than 500W, with any combination of loads not to exceed
maximum current on any one channel as defined in Power Usage
Worksheet 1. The combined power consumption on 5 V and 3.3 V
should not be more then 150W. Use the two worksheets in this section
to calculate the total used by your configuration. For current and
voltage requirements of add-in boards and peripherals, see your
vendor documents.
Worksheet, Calculating DC Power Usage
1
List the current for each board and device in the appropriate
voltage level column.
2
Add the current in each column, then go to the next worksheet.